package com.example.blogserver.config;

import com.example.blogserver.a_utils.Constant;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@SuppressWarnings({"all"})
@Component
@Slf4j
public class LoginInterceptor implements HandlerInterceptor {

    @Value("${blog-system.login.url}")
    private String defaultURL;

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        HttpSession session = request.getSession(false);
        if (session != null && session.getAttribute(Constant.USERINFO_SESSION_KEY) != null){
            return true;
        }
        if (!defaultURL.startsWith("/")) {
            defaultURL = "/" + defaultURL;
        }
        response.sendRedirect(defaultURL);
        return false;
    }
}
